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First 'true' 0.9V 16-bit microcontroller unveiled

Posted: 16 Sep 2010 ?? ?Print Version ?Bookmark and Share

Keywords:boost converter? peripheral?

Texas Instruments (TI) Inc. has unveiled a 0.9V microcontroller (MCU) that promises ultra-low-power consumption. The MSP430L092, said to be the industry's first true 0.9V MCU, is a member of TI's MSP430 range of MCUs. It runs from a single-cell battery and does not need an on-board boost converter or an external circuitry.

Developers can use it in electric toothbrushes, razors, toys, security devices and other small applications using single-cell battery such as AAAs and coin cells. Battery usage is optimized by the true 0.9V operation, along with ultra-low-power consumption of 45 microamps (active) and wake-up time of less than 5?s. Programmable analog building blocks also allow the MSP430L092 to be configured as five different peripherals.

The MSP430L092 is available in three variations: MSP430L092 (RAM), MSP430C091 (ROM) and MSP430C092 (ROM). Up to 2KB RAM and 2KB ROM give developers several choices for their applications. The Integrated Analog Functions Pool (A-POOL) allow functions such as analog-to-digital converter, digital-to-analog converter, system voltage supervisor, and temperature sensor or comparator. The analog peripheral configurations can run sequentially even without user input.

TI sells the MSP430L092 at $0.85 at 10,000 units while the supporting MSP-TS430L092 ($99) and MSP-FET430U092 ($149) development tools are available immediately.

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